Giải giúp mình bài này (trình bày hẳn ra)

Giúp mình đi. Tym,vote 5* và ctlhn ạ. Gấpppppppppppppp lắmmmmmmmmmmm ạ

Giúp em__________________________

Complete the sentences with correct tense of verb 1. She said she (write)three books and she was working on another one. 2. She was made. (work)on Saturday , even though she hated working at weekends. 3.If I (find)her address , I would send her an inviation. 4. Japanese (become)one of the most popular courses at the university since the Asian studies program was established. 5. Look at those black clouds , I think it .(rain).

Trẻ cứ lấy 1 chai nước thì người lớn lấy 2 chai nước . Nếu có 66 người lớn và trẻ em lấy 99 chai nước thì . Hỏi có bao nhiêu người lớn , bao nhiêu trẻ em ?

Ai giúp mình được ko 😥 nếu làm được mình sẽ vote 5 sao cho

1. 4/3-1/3×5/2 2. Viết phân số 13/35 thành tổng của 3 phân số có tử số là 1 . 3. Tính nhanh : 8/27+ 4/15 + 19/27 +11/15

1. That was the funniest book I’ve ever read! I’ve never read________________________________________________________________________ 2. The farmer often spends fifteen minutes leading the buffalo to the field every day. It often takes_________________________________________________________________________ 3. My French friend finds driving on the left difficult. My French friend isn’t used_____________________________________________________________ 4. It’s not my responsibility to clean this room. I am not_____________________________________________________________________________ 5. My mother would prefer you to smoke in the garden. My mother would rather you_____________________________________________________________ 6. When I was in Athens, my Greek pen friend showed me the sights. When I was in Athens, I was_____________________________________________________________ 7. Henry regrets being so rude to his boss. Henry wishes_________________________________________________________________________ 8. You will receive full information about the course on payments of your fees. As soon as___________________________________________________________________________ 9. In the middle of our lunch there was a knock at the door. When we____________________________________________________________________________ 10. Mary would like to do a course in archaeology. Mary is interested_____________________________________________________________________

Giải thích chi tiết Nhất có thể cho em cái này đi ạ ?( làm sao để biết h2so4 đó là khối lượng chất tan hay khối lượng dung dịch ?)

\frac{x^2\:+\:\sqrt{x}}{x\:-\sqrt{x}+1}\:-\frac{2x\:+\:\sqrt{x}}{\sqrt{x}}